fix: add postgres backend

changes:
- Add postgres backend
- Modified or added table attributes.
  UpdateDate, ForeignKeys, Booleans
- Fix test for sqlite and postgres. Compare json instead the struct.

pkg/repository/db/db.go

@@ -52,6 +52,7 @@ func New(dsnURL *url.URL, flogger logger.Logger) (Database, error) {
 	// Load Queryfiles
 	queries := make(map[string]string, 0)
 	for _, asset := range AssetNames() {
+
 		if !strings.Contains(asset, dsnURL.Scheme) {
 			continue
 		}
@@ -72,17 +73,19 @@ func New(dsnURL *url.URL, flogger logger.Logger) (Database, error) {
 	)
 
 	switch dsnURL.Scheme {
-	// case "postgres":
-	// 	// postgres://[user]:[password]@[host]:[port]/[path]?[query]
-	// 	newDBO, err := sql.Open(storageEndpoint.Scheme, storageEndpoint.String())
-	// 	if err != nil {
-	// 		return nil, err
-	// 	}
+	case "postgres":
 
-	// 	return &Postgres{
-	// 		dbo:     newDBO,
-	// 		flogger: flogger,
-	// 	}, nil
+		// postgres://[user]:[password]@[host]:[port]/[path]?[query]
+		newDBO, err := sql.Open(dsnURL.Scheme, dsnURL.String())
+		if err != nil {
+			return nil, err
+		}
+
+		database = &Postgres{
+			dbo:     newDBO,
+			flogger: flogger,
+			queries: queries,
+		}
 
 	case "sqlite3":